scholarly journals Long Term Variations of Water Quality in the Sagami River and its Tributaries. I. Seasonal Variations.

2001 ◽  
Vol 11 (3) ◽  
pp. 501-510
Author(s):  
Yuka HASEGAWA ◽  
Masato IWASHITA ◽  
Tadashi SHIMAMURA
Keyword(s):  
Water Quality ◽  
Seasonal Variations ◽  
Long Term Variations

Long-Term Variations of Water Quality and Material Flux in the Nakdong River, Korea

2016 ◽  
Vol 24 (6) ◽  
pp. 161-169 ◽  
Author(s):  
Sang-Chol Yoon ◽  
Shyun-Hyun Yoon ◽  
Seung-Mok Lee ◽  
Yi-Yong Yoon
Keyword(s):  
Water Quality ◽  
Nakdong River ◽  
Material Flux ◽  
The Nakdong River ◽  
Long Term Variations

scholarly journals Long-term variations in water quality of lakes in Rokkasho, Aomori, Japan, from 2004 to 2015

2016 ◽  
Vol 78 (1) ◽  
pp. 75-85 ◽  
Author(s):  
Shinji UEDA ◽  
Hidenao HASEGAWA ◽  
Shun'ichi HISAMATSU
Keyword(s):  
Water Quality ◽  
Long Term Variations

Long-Term Variations of Water Quality in Jinhae Bay

2014 ◽  
Vol 17 (4) ◽  
pp. 324-332 ◽  
Author(s):  
Jung-No Kwon ◽  
Jangho Lee ◽  
Youngsug Kim ◽  
Jae-Hyun Lim ◽  
Tae-Jun Choi ◽  
...  
Keyword(s):  
Water Quality ◽  
Jinhae Bay ◽  
Long Term Variations

scholarly journals Long-term variations in the neutral gas composition of the thermosphere over Norilsk (2003–2013)

2016 ◽  
Vol 2 (4) ◽  
pp. 92-97
Author(s):  
Галина Кузнецова ◽  
Galina Kuznetsova ◽  
Ольга Яковлева ◽  
Olga Yakovleva ◽  
Галина Кушнаренко ◽  
...  
Keyword(s):  
Seasonal Variations ◽  
Gas Composition ◽  
Ionospheric Layer ◽  
Neutral Gas ◽  
Different Seasons ◽  
Long Term Variations

Seasonal variations in relative values of the main gas components of the thermosphere [O]/[N2] and [O2]/[O] were received at the station Norilsk during the period 2003–2013. Estimates were made using a technique the authors developed and data from the Norilsk digisonde (69° N, 88° E) for heights below the ionospheric layer F1 maximum under quiet and disturbed geomagnetic conditions in different seasons. We established that the [O2]/[O] ratio in the quiet and disturbed geomagnetic conditions in all seasons by the end of 2013 decreased from 10 to 20 % relative to the values of 2003. The [O]/[N2] ratio for the same conditions increased to 17 %.

scholarly journals Long-term Variations of Water Quality in the Sagami River and its Tributaries. II. Upper Stream Trend.

2001 ◽  
Vol 11 (4) ◽  
pp. 867-879
Author(s):  
Masato IWASHITA ◽  
Sachiyo SATO ◽  
Tadashi SHIMAMURA
Keyword(s):  
Water Quality ◽  
Long Term Variations
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